Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Purchase and Lease Commitments (Details)

v3.10.0.1
Commitments and Contingencies - Purchase and Lease Commitments (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Mar. 31, 2018
Lease Commitments          
Renewal option period     5 years    
Deferred rent $ 0.4   $ 0.4   $ 0.4
Rent expense 0.6 $ 0.6 1.2 $ 1.1  
Inventory          
Commitments and Contingencies          
Commitment to purchase inventories $ 37.1   $ 37.1